3GPP	3rd Generation Partnership Project
AIS	Automatic Identification System
AMC	Adaptive Modulation and Coding
ANN	Artificial Neural Network
AP	Access Point
AU	Aerial User
BS	Base Station
CA	Collision Avoidance
CE	Cross Entropy
CEO	Cross Entropy Optimiser
CNN	Convolution Neural Network
CP	Cyber-Physical
CPS	Cyber-Physical System
CSI	Channel State Information
CSMA	Carrier Sensing Multiple Access
D2D	Device-to-Device
DA	Discriminant Analysis
DDPG	Deep Deterministic Policy Gradient
DDRL	Deep Distributed Reinforcement Learning
DQN	Deep Q-Network
DQL	Deep Q-Learning
DL	Deep Learning
DRL	Distributed Reinforcement Learning
eNB	Evolved NodeB
ESN	Echo State Network
FANET	Flying Ad Hoc Network
GEO	Geostationary Earth Orbit
GMM	Gaussian Mixture Model
GP	Gaussian Process
GPS	Global Positioning System
GPU	Graphics Processing Unit
GU	Ground User
HAPS	High Amplitude Platform Station
HDMF	Heterogeneous Deep Model Fusion
IoT	Internet of Things
KNN	K Nearest Neighbor
LAP	Low Altitude Platform
LD	Linear Discriminant
LEO	Low Earth Orbit
LiDAR	Light Detection and Ranging
LR	Linear Regression
LSBoost	Least Squares Boosting
LSM	Liquid State Machine
LTE	Long-Term Evolution
MAB	Multi-Armed Bandit
MAC	Medium Access Control
MAE	Mean Absolute Error
MAPE	Mean Absolute Percent Error
MDP	Markov Decision Process
MEO	Medium Earth Orbit
MFCC	Mel-Frequency Cepstral Coefficients
MG	Minority Games
MILP	Mixed Integer Linear Programming
MIMO	Multiple-Input Multiple-Output
ML	Machine Learning
MLE	Maximum Likelihood Estimation
MLP	Multiple Layer Perceptron
mmWave	millimeter Waveband
MOS	Mean Opinion Score
MUM	Manned and Unmanned
NASA	National Aeronautics and Space Administration
NHPSO	Network-Based Heterogeneous Particle Swarm Optimization
NMPC	Nonlinear Model Predictive Control
NN	Neural Network
NOMA	Non-Orthogonal Multiple Access
NTN	Non-Terrestrial Networks
OBU	On-Board Unit
OFDM	Orthogonal Frequency Division Multiplexing
OFDMA	Orthogonal Frequency Division Multiple Access
PHC	Policy Hill Climbing
PL	Path-Loss
PLS	Physical Layer Security
PoI	Point of Interest
POMDP	Partially Observable Markov Decision Process
PSN	Public Safety Network
PT	Prospect Theory
QD	Quadratic Discriminant
QoE	Quality of Experience
QoS	Quality of Service
RandF	Random Forest
RAT	Radio Access Technology
RF	Radio Frequency
RL	Reinforcement learning
RMSE	Root Mean Squared Error
RNN	Recurrent Neural Network
RPV	Remotely Piloted Vehicle
RSS	Received Signal Strength
RSU	Roadside Unit
RTCA	Radio Technical Commission for Aeronautics
SDR	Software Defined Radio
SINR	Signal-to-Interference plus Noise Ratio
SIR	Signal-to-Interference Ratio
SMGD	Sequential-Markov-Greedy-Decision
SNR	Signal-to-Noise Ratio
SSA	Salp Swarm Algorithm
SSN	Self-Sustaining Networks
STFT	Short-Time Fourier Transform
SVM	Support Vector Machine
TDMA	Time Division Multiple Access
UAV	Unmanned Aerial Vehicle
UE	User Equipment
UI	User Interface
USRP	Universal Software Radio Peripheral
V2X	Vehicle-to-Everything
VANET	Vehicular Ad Hoc Network
WPC	Wireless Powered Communication